JP6268232B2 - 光ファイバ、及び、レーザ装置 - Google Patents
光ファイバ、及び、レーザ装置 Download PDFInfo
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- JP6268232B2 JP6268232B2 JP2016132498A JP2016132498A JP6268232B2 JP 6268232 B2 JP6268232 B2 JP 6268232B2 JP 2016132498 A JP2016132498 A JP 2016132498A JP 2016132498 A JP2016132498 A JP 2016132498A JP 6268232 B2 JP6268232 B2 JP 6268232B2
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- 239000013307 optical fiber Substances 0.000 title claims description 157
- 238000005253 cladding Methods 0.000 claims description 37
- 230000001902 propagating effect Effects 0.000 claims description 27
- 230000005284 excitation Effects 0.000 claims description 14
- 229910052769 Ytterbium Inorganic materials 0.000 claims description 13
- NAWDYIZEMPQZHO-UHFFFAOYSA-N ytterbium Chemical compound [Yb] NAWDYIZEMPQZHO-UHFFFAOYSA-N 0.000 claims description 13
- 230000003321 amplification Effects 0.000 description 48
- 238000003199 nucleic acid amplification method Methods 0.000 description 48
- 238000001069 Raman spectroscopy Methods 0.000 description 20
- 239000000835 fiber Substances 0.000 description 19
- 230000015556 catabolic process Effects 0.000 description 10
- 238000006731 degradation reaction Methods 0.000 description 10
- 230000003287 optical effect Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- 239000002019 doping agent Substances 0.000 description 9
- 239000010453 quartz Substances 0.000 description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 9
- 239000011347 resin Substances 0.000 description 7
- 229920005989 resin Polymers 0.000 description 7
- 238000004088 simulation Methods 0.000 description 5
- 238000005086 pumping Methods 0.000 description 4
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 230000005281 excited state Effects 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 239000011737 fluorine Substances 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000000644 propagated effect Effects 0.000 description 3
- 101710121003 Oxygen-evolving enhancer protein 3, chloroplastic Proteins 0.000 description 2
- 230000008033 biological extinction Effects 0.000 description 2
- 239000011247 coating layer Substances 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 2
- 229910052732 germanium Inorganic materials 0.000 description 2
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
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- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
- H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
- H01S3/06729—Peculiar transverse fibre profile
- H01S3/06733—Fibre having more than one cladding
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- H—ELECTRICITY
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- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/08—Construction or shape of optical resonators or components thereof
- H01S3/08018—Mode suppression
- H01S3/0804—Transverse or lateral modes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
- H01S3/16—Solid materials
- H01S3/1601—Solid materials characterised by an active (lasing) ion
- H01S3/1603—Solid materials characterised by an active (lasing) ion rare earth
- H01S3/1618—Solid materials characterised by an active (lasing) ion rare earth ytterbium
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/23—Arrangements of two or more lasers not provided for in groups H01S3/02 - H01S3/22, e.g. tandem arrangements of separate active media
- H01S3/2308—Amplifier arrangements, e.g. MOPA
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/02004—Optical fibres with cladding with or without a coating characterised by the core effective area or mode field radius
- G02B6/02009—Large effective area or mode field radius, e.g. to reduce nonlinear effects in single mode fibres
- G02B6/02023—Based on higher order modes, i.e. propagating modes other than the LP01 or HE11 fundamental mode
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
- G02B6/03616—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference
- G02B6/03622—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 2 layers only
- G02B6/03633—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 2 layers only arranged - -
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- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S2301/00—Functional characteristics
- H01S2301/03—Suppression of nonlinear conversion, e.g. specific design to suppress for example stimulated brillouin scattering [SBS], mainly in optical fibres in combination with multimode pumping
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
- H01S3/0675—Resonators including a grating structure, e.g. distributed Bragg reflectors [DBR] or distributed feedback [DFB] fibre lasers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/09—Processes or apparatus for excitation, e.g. pumping
- H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
- H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
- H01S3/094003—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light the pumped medium being a fibre
- H01S3/094007—Cladding pumping, i.e. pump light propagating in a clad surrounding the active core
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/09—Processes or apparatus for excitation, e.g. pumping
- H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
- H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
- H01S3/094042—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a fibre laser
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/09—Processes or apparatus for excitation, e.g. pumping
- H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
- H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
- H01S3/094049—Guiding of the pump light
- H01S3/094053—Fibre coupled pump, e.g. delivering pump light using a fibre or a fibre bundle
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/09—Processes or apparatus for excitation, e.g. pumping
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- H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
- H01S3/09408—Pump redundancy
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/09—Processes or apparatus for excitation, e.g. pumping
- H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
- H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
- H01S3/0941—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a laser diode
- H01S3/09415—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a laser diode the pumping beam being parallel to the lasing mode of the pumped medium, e.g. end-pumping
Description
図1は、本実施形態に係るレーザ装置を示す図である。図1に示すように、本実施形態のレーザ装置1は、共振器型のファイバレーザ装置とされ、増幅用光ファイバ10と、励起光源20と、第1光ファイバ30と、第1光ファイバ30に設けられる第1FBG35と、第2光ファイバ40と、第2光ファイバ40に設けられる第2FBG45と、光コンバイナ50とを主な構成として備える。
E=Aexp[−(α+iβ)z] ・・・(1)
neff=λβ/2π ・・・(2)
Δn=(n1 2−n2 2)/(2n1 2) ・・・(3)
次に、本発明の第2実施形態について図8を参照して詳細に説明する。なお、第1実施形態と同一又は同等の構成要素については、特に説明する場合を除き、同一の参照符号を付して重複する説明は省略することがある。
次に、本発明の第3実施形態について図9を参照して詳細に説明する。なお、第1実施形態と同一又は同等の構成要素については、特に説明する場合を除き、同一の参照符号を付して重複する説明は省略する。
10・・・増幅用光ファイバ
20・・・励起光源
30・・・第1光ファイバ
31・・・コア
35・・・第1FBG
40・・・第2光ファイバ
45・・・第2FBG
60・・・光源
70・・・種光源
Claims (7)
- レーザ装置に用いられ、コアを波長1060nmの光が少なくともLP01モードとLP11モードとで伝搬可能な光ファイバであって、
前記LP01モードの光の伝搬定数と前記LP11モードの光の伝搬定数との差が1850rad/m以上4000rad/m以下とされる
ことを特徴とする光ファイバ。 - 前記LP01モードの光の伝搬定数と前記LP11モードの光の伝搬定数との差が2500rad/m以下とされる
ことを特徴とする請求項1に記載の光ファイバ。 - 前記コアのクラッドに対する屈折率分布がステップ状であり、
前記コアの直径が18μm以上28.5μm以下とされ、
前記コアの前記クラッドに対する比屈折率差が0.1%以上0.2%以下とされる
ことを特徴とする請求項1に記載の光ファイバ。 - 前記コアの直径が23μm以上とされる
ことを特徴とする請求項3に記載の光ファイバ。 - 前記コアにはイッテルビウムが添加される
ことを特徴とする請求項1から4のいずれか1項に記載の光ファイバ。 - コアを波長1060nmの光が少なくともLP01モードとLP11モードとで伝搬する光ファイバを備え、
前記光ファイバにおける前記LP01モードの光の伝搬定数と前記LP11モードの光の伝搬定数との差が1850rad/m以上4000rad/m以下とされる
ことを特徴とするレーザ装置。 - 前記コアにはイッテルビウムが添加され、
前記光ファイバには励起光が入射する
ことを特徴とする請求項6に記載のレーザ装置。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016132498A JP6268232B2 (ja) | 2016-07-04 | 2016-07-04 | 光ファイバ、及び、レーザ装置 |
EP17823859.8A EP3462553B1 (en) | 2016-07-04 | 2017-05-12 | Optical fiber and laser device |
PCT/JP2017/018046 WO2018008251A1 (ja) | 2016-07-04 | 2017-05-12 | 光ファイバ、及び、レーザ装置 |
CA3029493A CA3029493C (en) | 2016-07-04 | 2017-05-12 | Optical fiber and laser device |
CN201780040575.8A CN109417263B (zh) | 2016-07-04 | 2017-05-12 | 光纤以及激光装置 |
US16/314,847 US10620368B2 (en) | 2016-07-04 | 2017-05-12 | Optical fiber and laser device |
DK17823859.8T DK3462553T3 (da) | 2016-07-04 | 2017-05-12 | Optisk fiber og laserindretning |
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JP2016132498A JP6268232B2 (ja) | 2016-07-04 | 2016-07-04 | 光ファイバ、及び、レーザ装置 |
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JP2018006596A JP2018006596A (ja) | 2018-01-11 |
JP6268232B2 true JP6268232B2 (ja) | 2018-01-24 |
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US (1) | US10620368B2 (ja) |
EP (1) | EP3462553B1 (ja) |
JP (1) | JP6268232B2 (ja) |
CN (1) | CN109417263B (ja) |
CA (1) | CA3029493C (ja) |
DK (1) | DK3462553T3 (ja) |
WO (1) | WO2018008251A1 (ja) |
Cited By (1)
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US10620368B2 (en) | 2016-07-04 | 2020-04-14 | Fujikura Ltd. | Optical fiber and laser device |
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WO2019131970A1 (ja) * | 2017-12-28 | 2019-07-04 | 株式会社フジクラ | 光ファイバ、及び、レーザ装置 |
EP3734337A1 (en) * | 2017-12-28 | 2020-11-04 | Fujikura, Ltd. | Optical fiber and laser device |
EP3745545A1 (en) * | 2018-01-23 | 2020-12-02 | Fujikura, Ltd. | Monitoring device, laser apparatus, monitoring method, and manufacturing method for laser apparatus |
CN110323659A (zh) | 2018-03-30 | 2019-10-11 | 株式会社藤仓 | 放大用光纤、光纤激光装置以及光谐振器 |
JP6785901B2 (ja) * | 2019-02-21 | 2020-11-18 | 株式会社フジクラ | フィルタ装置、レーザ装置 |
CN110265858B (zh) * | 2019-06-19 | 2024-04-26 | 中国人民解放军国防科技大学 | 一种选择性激发高阶模的大功率拉曼光纤激光系统 |
CN111211471B (zh) * | 2019-12-28 | 2021-08-20 | 华为技术有限公司 | 光纤放大器 |
WO2021192783A1 (ja) * | 2020-03-27 | 2021-09-30 | 株式会社フジクラ | 活性元素添加光ファイバ、活性元素添加光ファイバ用母材、共振器、及び、ファイバレーザ装置 |
CN115097566B (zh) * | 2022-07-13 | 2024-04-12 | 中国科学院上海光学精密机械研究所 | 弯曲敏感的受激拉曼散射抑制的环形结构光纤 |
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US4974931A (en) * | 1989-11-13 | 1990-12-04 | At&T Bell Laboratories | Wavelength selective mode couplers |
DE60045068D1 (de) * | 1999-03-31 | 2010-11-18 | Fujikura Ltd | Multimodenglasfaser mit unterdruckung von moden hoherer ordnung |
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2016
- 2016-07-04 JP JP2016132498A patent/JP6268232B2/ja active Active
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- 2017-05-12 EP EP17823859.8A patent/EP3462553B1/en active Active
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10620368B2 (en) | 2016-07-04 | 2020-04-14 | Fujikura Ltd. | Optical fiber and laser device |
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Publication number | Publication date |
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CA3029493C (en) | 2021-03-23 |
US10620368B2 (en) | 2020-04-14 |
CA3029493A1 (en) | 2018-01-11 |
DK3462553T3 (da) | 2021-01-18 |
CN109417263B (zh) | 2021-02-02 |
EP3462553B1 (en) | 2020-12-02 |
US20190310416A1 (en) | 2019-10-10 |
EP3462553A1 (en) | 2019-04-03 |
JP2018006596A (ja) | 2018-01-11 |
CN109417263A (zh) | 2019-03-01 |
WO2018008251A1 (ja) | 2018-01-11 |
EP3462553A4 (en) | 2019-10-09 |
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